2006
Matching-pursuit/split-operator-Fourier-transform simulations of excited-state nonadiabatic quantum dynamics in pyrazine
Chen X, Batista V. Matching-pursuit/split-operator-Fourier-transform simulations of excited-state nonadiabatic quantum dynamics in pyrazine. The Journal Of Chemical Physics 2006, 125: 124313. PMID: 17014180, DOI: 10.1063/1.2356477.Peer-Reviewed Original ResearchConceptsNonadiabatic quantum dynamicsQuantum dynamicsFull-dimensional potential energy surfaceGradient-based optimization methodsSecond-order accuracyTime evolution operatorCoherent-state expansionNonadiabatic reaction dynamicsPhotoabsorption cross sectionsPotential energy surfacePhotoabsorption spectroscopyOrder accuracyTrotter expansionWave packetsReaction dynamicsExact simulationOptimization methodSurvival amplitudeModel HamiltonianPolyatomic systemsEnergy surfaceMultidimensional systemsCross sectionsPropagation schemeBenchmark calculations
2005
Matching-pursuit∕split-operator Fourier-transform simulations of nonadiabatic quantum dynamics
Wu Y, Herman M, Batista V. Matching-pursuit∕split-operator Fourier-transform simulations of nonadiabatic quantum dynamics. The Journal Of Chemical Physics 2005, 122: 114114. PMID: 15836208, DOI: 10.1063/1.1881132.Peer-Reviewed Original ResearchNonadiabatic quantum dynamicsQuantum dynamicsGradient-based optimization methodsStandard perturbation expansionAdiabatic quantum dynamicsNonadiabatic dynamicsTime evolution operatorCoherent state representationCanonical model systemOptimization methodPerturbation expansionMultidimensional systemsNatural extensionPropagation schemeFourier transform methodMatching pursuit algorithmPropagation methodDynamicsSimulationsTesting simulationsAlgorithmOperatorsAccuracyScheme
2004
Quantum tunneling dynamics in multidimensional systems: A matching-pursuit description
Wu Y, Batista V. Quantum tunneling dynamics in multidimensional systems: A matching-pursuit description. The Journal Of Chemical Physics 2004, 121: 1676-1680. PMID: 15260718, DOI: 10.1063/1.1766298.Peer-Reviewed Original Research